FLIR B series User Manual page 207

28 – Introduction to thermographic inspections of electrical installations
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Figure 28.17 Overheating in a circuit breaker
The overheating of this circuit breaker is most probably caused by bad contact in the
near finger of the contactor. Thus, the far finger carries more current and gets hotter.
The component in the infrared image and in the photo is not the same, however, it is
similar).
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Publ. No. 1558792 Rev. a460 – ENGLISH (EN) – July 1, 2010